TRANSMISSION

MY GEARS WOULD NOT SHIFT AS I TRY AN BACK OUT. IT GAVE ME A HARD TIME BEFORE SHIFTING INTO GEAR. LATER ON I TRYED ONCE MORE AN THIS TIME IT WENT INTO GEAR VERY FREEELY TOO FREELY TO THE POINT THAT I DIDNT NEED TO USE MY BREAKS TO RELEASE THE GEAR, IT JUST WENT INTO GEAR?